Surf Forecasts:
Lakey Pipe surf forecast from 8 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 5PM (local time) - 5ft (1.6m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 9 Sep, 11AM (local time) - 8ft (2.5m), 16s period, SSW swell with 3,504 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 5PM (local time) - 5ft (1.6m), 18s period with SSW swell.
Best Forecast Surf Conditions for Lakey Pipe this week:
The surf forecast for Lakey Pipe over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 5PM. The primary swell is predicted to be 1.6m and 18s period with a secondary swell of 2.1m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Lakey Pipe in the next 16 days are 2.5m 16s and forecast to arrive on Wednesday (Sep 09) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Monday (Sep 14) at 2AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Tue 8th Sep) | 5ft (1.6m) 18s |
| Best Surf | 5PM (Tue 8th Sep) | 5ft (1.6m) 18s |
| Most Powerful | 11AM (Wed 9th Sep) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for Lakey Pipe over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about Lakey Pipe (Lakai-Pipe). This reef break is about to get a solid run of south-west swell, and the water temp is a normal 80°F for this time of year.
Tuesday morning, the 8th of September, we see a 6ft south-south-west swell, 13-second period, pushing good energy into the reef (2288 units). The wind is a light cross-off from the SSE, keeping it clean. This is for the experienced crew. By afternoon, the swell drops to 5ft but the period lengthens to 18 seconds – that’s proper groundswell, with energy at 3094. The sets will be bigger and better.
Wednesday the 9th is the standout. The morning brings an 8ft south-south-west swell, 16-second period, and a massive 3504 energy reading. This is big, powerful, and only for experts. The wind is light and cross-off, so it’s clean. Afternoon drops to 8ft, still solid.
Thursday the 10th stays good with a 6ft south-south-west swell in the morning and a 7ft south-west in the afternoon. Clean cross-off winds.
Friday the 11th and Saturday the 12th keep the surf in the 5ft to 7ft range, consistently clean. Saturday afternoon gets a bit breezier but still cross-off.
From Sunday the 13th to Tuesday the 15th, the swell is still there (6ft to 7ft) but the tide might make things a bit tricky. Still worth paddling out.
Wednesday the 16th through Friday the 18th, we get another clean run. Light winds, 6ft to 7ft south-west swell, good energy.
The weekend of the 19th and 20th, the swell eases to 5ft to 6ft, but still a fun south-west pulse.
Then, on Tuesday the 22nd of September, look out. The morning is a 4ft swell with a 21-second period – that’s very long period groundswell. Energy is 2942. The afternoon is a standout: 7ft south-south-west, 17 seconds, 3476 energy. This is the one to circle on the calendar. Wednesday the 23rd keeps the quality high.
So the best waves? Wednesday the 9th for pure power, and Tuesday the 22nd for that incredible, long-period groundswell. Both are expert-only. This spot is consistent, so expect crowds often.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Tue morning. Warm (max 28°C on Thu morning, min 24°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Sat afternoon, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 20 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1264 | 1689 | 2204 | 3504 | 2864 | 2441 | 1550 | 2621 | 2379 | 2119 | 1860 | 1547 | 1124 | 1006 | 1350 | 2011 | 2192 | 2506 | 1919 | 1742 | 1581 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off |
High Tide | 9:10PM2.05m | 8:42AM2.54m | 9:42PM2.36m | 9:32AM2.75m | 10:11PM2.65m | 10:13AM2.89m | 10:40PM2.88m | 10:50AM2.94m | 11:08PM3.05m | 11:23AM2.91m | 11:35PM3.12m | 11:54AM2.80m | 00:01AM3.11m | ||||||||
Low Tide | 2:44PM0.71m | 2:37AM1.19m | 3:25PM0.50m | 3:28AM0.86m | 3:59PM0.34m | 4:09AM0.57m | 4:30PM0.25m | 4:45AM0.34m | 4:58PM0.22m | 5:19AM0.19m | 5:26PM0.25m | 5:51AM0.14m | 5:51PM0.33m | ||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | |  | |
 | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | 6:04 | — | — | 6:04 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — |
mm | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 25 | 27 | 27 | 25 | 28 | 28 | 25 | 26 | 28 | 25 | 28 | 29 | 25 | 28 | 28 | 25 | 28 | 28 | 25 |
Feels °C | 29 | 28 | 27 | 29 | 28 | 28 | 29 | 29 | 27 | 28 | 30 | 29 | 30 | 29 | 28 | 29 | 28 | 27 | 30 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SSW 15 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | 1264 | 1405 | 2204 | 3504 | 2864 | 2441 | 1550 | 2621 | 2379 | 2119 | 1860 | 1547 | 1124 | 1006 | 974 | 2011 | 2192 | 2506 | 1919 | 1742 | 1581 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | SSW 18 | SSW 13 | — | — | SSE 4 | SW 18 | — | E 5 | ESE 5 | SW 24 | SE 5 | SW 22 | SW 21 | SW 20 | SW 14 | SSW 14 | SSE 6 | S 5 | — | SSE 6 |
| kJ | 1024 | 1689 | 1152 | — | — | 15 | 642 | — | 18 | 14 | 93 | 23 | 553 | 647 | 1350 | 667 | 691 | 65 | 14 | — | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | E 5 | — | SW 28 | SSW 26 | — | SW 24 | SSE 5 | SSW 9 | — | ESE 5 | — | — | E 5 | — | — |
| kJ | — | — | — | — | — | — | 11 | — | 30 | 66 | — | 197 | 11 | 16 | — | 16 | — | — | 11 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ESE 5 | ESE 4 | — | E 5 | ESE 4 | E 6 | ESE 5 | ESE 4 | SE 6 | — | — | ESE 6 | — | ESE 5 | E 5 |
| kJ | — | — | — | — | — | — | 13 | 8 | — | 12 | 8 | 6 | 19 | 16 | 54 | — | — | 95 | — | 20 | 56 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 116 | 0 | 3 | 0 | 0 | 180 | 116 | 0 |
Best forecast wave conditions in Sumbawa | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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Information about the Lakey Pipe Surf forecast
The above surf forecast table for Lakey Pipe provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lakey Pipe can be found by selecting the local surf guide option on the grey menu. Our Lakey Pipe surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Lakey Pipe) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Lakey Pipe may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Sumbawa? If you are looking for accommodation near Lakai Pipe, camping, hotels and holiday cottages in Sumbawa, consider staying in Bima which is 52 km (32 miles) away. Alternatively, find information about places to stay and car hire in Raba which is 56 km (35 miles) away
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